fmt: remove space in front of ? and ! (#14366)

vlib/crypto/rand/crypto_rand_bytes_test.v

@@ -1,7 +1,7 @@
 import crypto.rand
 
 fn test_reading() ? {
-	a := rand.read(32) ?
+	a := rand.read(32)?
 	// dump(a.hex())
 	assert a.len == 32
 	mut histogram := [256]int{}

vlib/crypto/rand/utils.v

@@ -20,7 +20,7 @@ pub fn int_u64(max u64) ?u64 {
 	}
 	mut n := u64(0)
 	for {
-		mut bytes := read(k) ?
+		mut bytes := read(k)?
 		bytes[0] &= u8(int(u64(1) << b) - 1)
 		x := bytes_to_u64(bytes)
 		n = x[0]